<!--
 * @Description: 菜单管理
 * @Author: zhihong deng
 * @Date: 2021-08-23 21:31:35
 * @LastEditors: zhihong deng
 * @LastEditTime: 2021-09-28 21:49:13
-->
<template>
  <div class="user-manage">
    <!-- 条件查询 -->
    <div class="query-form">
      <el-form :inline="true" ref="form" :model="queryForm" label-width="80px">
        <el-form-item label="菜单名称" prop="menuName">
          <el-input v-model="queryForm.menuName" placeholder="请输入菜单名称"></el-input>
        </el-form-item>
        <el-form-item label="菜单状态" prop="menuState">
          <el-select v-model="queryForm.menuState" placeholder="请选择">
            <el-option :value = "1" label = "正常"></el-option>
            <el-option :value = "2" label = "停用"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="getMenuList">查询</el-button>
          <el-button @click="handleReset('form')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="base-table">
      <div class="action">
        <el-button type="primary" @click="handleAdd(1)">新增</el-button>
      </div>
      <!-- 表格 -->
      <el-table
        :data="menuList"
        row-key="_id"
        :tree-props="{children: 'children'}">
        <el-table-column
          v-for="item in columns"
          :key="item.prop"
          :prop="item.prop"
          :label="item.label"
          :width="item.width"
          align="center"
          :formatter="item.formatter">
        </el-table-column>
        <el-table-column label="操作" width="220" align="center">
          <template #default="scope">
            <el-button type="primary" @click="handleAdd(2, scope.row)" size="mini"
              >新增</el-button>
            <el-button @click="handleEdit(scope.row)" size="mini"
              >编辑</el-button
            >
            <el-button type="danger" size="mini" @click="handleDel(scope.row._id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 新增菜单 -->
    <el-dialog
      title="用户新增"
      v-model="showModal"
      width="width"
      :before-close="dialogBeforeClose">
      <div>
        <el-form
          ref="dialogForm"
          :model="menuForm"
          label-width="80px"
          :rules="rules">
          <el-form-item label="父级菜单" prop="parentId">
            <el-cascader
              v-model="menuForm.parentId"
              placeholder="请选择父级菜单"
              :options="menuList"
              :props="{ checkStrictly: true, value: '_id', label: 'menuName' }"
              clearable
            ></el-cascader>
            <span>不选，则直接创建一级菜单</span>
          </el-form-item>
          <el-form-item label="菜单类型" prop="menuType">
            <el-radio-group v-model="menuForm.menuType">
              <el-radio :label="1">菜单</el-radio>
              <el-radio :label="2">按钮</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="菜单名称" prop="menuName">
            <el-input v-model="menuForm.menuName" placeholder="请输入菜单名称"/>
          </el-form-item>
          <el-form-item label="菜单图标" prop="icon" v-show="menuForm.menuType == 1">
            <el-input v-model="menuForm.icon" placeholder="请输入菜单图标" />
          </el-form-item>
          <el-form-item label="路由地址" prop="path" v-show="menuForm.menuType == 1">
            <el-input v-model="menuForm.path" placeholder="请输入路由地址" />
          </el-form-item>
          <el-form-item label="权限标识" prop="menuCode"  v-show="menuForm.menuType == 2">
            <el-input v-model="menuForm.menuCode" placeholder="请输入权限标识"/>
          </el-form-item>
          <el-form-item label="组件路径" prop="component" v-show="menuForm.menuType == 1">
            <el-input v-model="menuForm.component" placeholder="请输入组件路径"/>
          </el-form-item>
          <el-form-item label="菜单状态" prop="menuState" v-show="menuForm.menuType == 1">
            <el-radio-group v-model="menuForm.menuState">
              <el-radio :label="1">正常</el-radio>
              <el-radio :label="2">停用</el-radio>
            </el-radio-group>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="handleClose">取 消</el-button>
          <el-button type="primary" @click="handleSubmit"
            >确 定</el-button
          >
        </span>
      </template>
    </el-dialog>

  </div>
</template>
<script>
import utils from '../utils/utils'
export default {
  name: "menu",
  data() {
    return {
      queryForm: {
        menuState: 1
      },
      menuList: [],
      columns: [
        {
          label: '菜单名称',
          prop: 'menuName',
          width: 150
        },
        {
          label: '图标',
          prop: 'icon',
          width: 80
        },
        {
          label: '菜单类型',
          prop: 'menuType',
          formatter(row, column, value){
            return {
              1: '菜单',
              2: '按钮',
            }[value]
          }
        },
        {
          label: '权限标识',
          prop: 'menuCode'
        },
        {
          label: '路由地址',
          prop: 'path'
        },
        {
          label: '组件路径',
          prop: 'component'
        },
        {
          label: '菜单状态',
          prop: 'menuState',
          formatter(row, column, value){
            return {
              1: '正常',
              2: '停用',
            }[value]
          }
        },
        {
          label: '创建时间',
          prop: 'createTime',
          width: 150,
          formatter: (row, column, value) => {
            return utils.formateDate(new Date(value));
          },
        }
      ],
      showModal: false,
      menuForm: {
        parentId: [null],
        menuType: 1,
        menuState: 1
      },
      action: '',
      rules:{
        menuName:[
          {required: true,message: "请输入菜单名称",trigger: "blur"},
          {min: 2,max: 10,message: "长度在2-8个字符",trigger: "blur"}
        ]
      }
    }
  },
  mounted() {
    this.getMenuList()
  },
  methods: {
    // 菜单列表初始化&查询
    async getMenuList() {
      try {
        let list = await this.$api.getMenuList(this.queryForm);
        this.menuList = list;
      } catch (error) {
        throw new Error(error);
      }
    },
    // 重置
    handleReset(form) {
      this.$refs[form].resetFields()
    },
    // 新增
    handleAdd(type, row) {
      this.showModal = true
      this.action = 'add'
      if (type == 2) {
        this.menuForm.parentId = [...row.parentId, row.id].filter(
          (item) => item
        )
      }
    },
    // 编辑
    handleEdit(row) {
      this.showModal = true
      this.action = 'edit'
      // 在dom更新结束后才触发
      this.$nextTick(() => {
        // 浅拷贝，第一个参数是被赋值对象，第二个参数是要被赋值的参数
        Object.assign(this.menuForm, row)
      })
    },
    // 删除
    async handleDel(_id) {
      await this.$api.menuSubmit({_id, action:'delete'})
      this.$message.success('删除成功')
      this.getMenuList()
    },
    // 新增提交
    handleSubmit() {
      this.$refs.dialogForm.validate( async (valid)=>{
        if(valid){
          let { action, menuForm } = this
          let params = { ...menuForm,action }
          let res = await this.$api.menuSubmit(params)
          this.showModal = false
          this.$message.success('操作成功')
          this.handleReset('dialogForm')
          this.getMenuList()
        }
      })
    },
    // 关闭弹框
    handleClose() {
      this.showModal = false
      this.handleReset('dialogForm')
    }
  },
};
</script>

<style lang="scss">
</style>